# DD
## Translingual
### Etymology 1
#### Alternative forms

* DD, M

#### Number

DD
* (informal) A Roman numeral representing thousand (1000).

##### See also

* Previous: DID (999)
* Next: DDI (one thousand and one, 1001)

### Etymology 2

From German Deutsche Demokratische Republik.

#### Symbol

DD
* (international standards, obsolete) Former ISO 3166-1 alpha-2 country code for East Germany from 1974 to 1990.
    Synonym: DDR (alpha-3)

##### Usage notes

* The code was deprecated in favour of DE on the reunification of Germany.

##### Coordinate terms

* DE (formerly West Germany)

### Etymology 3
#### Symbol

DD
* (finance) Long-term bond credit rating by Fitch Ratings, indicating that a bond is in default, with little prospect of debt recovery.
* (clothing) Bra cup size.
* (IUCN Red List) Abbreviation of data deficient.
* (medicine) Initialism of developmental disability.

## English
### Pronunciation

* IPA: /ˌdiː ˈdiː/
* Audio (US):(file)

### Noun

DD (countable and uncountable, plural DDs)
* Initialism of designated driver.
** 2024 August 6, Gena Kaufman, “33 Rainy-Day Date Ideas That Aren’t Another Movie”, in Glamour‎:Got a craft brewery, distillery, winery, in your area? See if they have any available tours or tastings that day, or make a day of hopping between them (just have Uber be your DD).
* Initialism of discharged dead: official designation of a sailor killed in combat
* Initialism of direct debit.
* Initialism of deficit disorder.
* Initialism of doctor of divinity.
* (computing) Initialism of Debian developer.
* (sports) Initialism of degree of difficulty.
* (US, military, nautical) Abbreviation of destroyer, a type of warship.
* (automotive) Initialism of daily driver: a vehicle which is used for everyday commuting, unlike a weekend warrior / Sunday Funday vehicle.
* Initialism of dual diagnosis.
* Initialism of demand draft.
* (vulgar, in the plural) A breast of cup size DD.
* (Internet) Initialism of direct download.
* Initialism of decimal degrees. (decimalized instead of sexagesimal values for arcdegrees)
* Abbreviation of daddy dom in DD/LG kink.
** 2019, Cassandra Dee, Daddy's Pretty Baby: A DD/lg Forbidden Romance:ABOUT THIS BOOK […] Hey Readers – Warning: This is a sexy, over the top romance with two folks engaged in age play and the DD/lg lifestyle.
* Initialism of due diligence.
* Initialism of delivery date.
* Initialism of dear/darling daughter.
* (military) Initialism of dishonorable discharge.

### Proper noun

DD
* Abbreviation of Daman and Diu.
* Abbreviation of Dadra and Nagar Haveli and Daman and Diu.
* (India, broadcasting) Abbreviation of Doordarshan, a state public broadcaster of India.

### Adjective

DD
* Initialism of developmentally disabled.

#### Alternative forms

* (Internet): DDL

#### Coordinate terms

* retarded
* slow

#### Coordinate terms

* (decimal degrees): DMS, HMS, gradian, radian, mil

## Japanese
### Pronunciation

* IPA: [dʲiːdʲiː]

### Noun

DD(ディーディー) • (dīdī)
* (often offensive, idol fandom) Short for 誰でも大好き (daredemo daisuki, “love everyone”).
* (Internet slang) Short for どっちもどっち (dotchi mo dotchi, “neither is great”).

## Norwegian Bokmål
### Alternative forms

* dd
* d.d.

### Etymology 1

Short form of Norwegian dag (“day”), from Old Norse dagr (“day”), from Proto-Germanic *dagaz (“day”), from Proto-Indo-European *dʰegʷʰ- (“to burn, to be illuminated”).

#### Pronunciation

* IPA: /deːdeː/, /dɑːɡ/
* Audio:(file)
* Audio:(file)
* Rhymes: -eː, -ɑːɡ
* Hyphenation: DD
* Homophones: dd, dag

#### Noun

DD
* Alternative spelling of dd

##### Related terms

* ddmmåå (“ddmmyy”), ddmmåååå (“ddmmyyyy”), DDMMÅÅ (“DDMMYY”), DDMMÅÅÅÅ (“DDMMYYYY”), dd/mm/åå (“dd/mm/yy”), dd/mm/åååå (“dd/mm/yyyy”), DD/MM/ÅÅ (“DD/MM/YY”), DD/MM/ÅÅÅÅ (“DD/MM/YYYY”)

##### See also

* mm (“mm”), åå (“yy”), åååå (“yyyy”)

### Etymology 2

Short form of Norwegian datamangel (“data deficiency”), first part data (“data”) from Latin data, plural of datum (“gift, present”), neuter past participle of dō (“I give, offer”), from Proto-Italic *didō (“give”), from Proto-Indo-European *dédeh₃ti (“to be giving”), from *deh₃- (“give”). Last part mangel (“lack, absence, deficiency”) from German Mangel (“lack, deficiency”), from mangeln (“to lack”), from Old High German mangolōn, from Latin mancare.

#### Pronunciation

* IPA: /deːdeː/, /ˈdɑːtamaŋəl/
* Audio:(file)
* Audio:(file)
* Rhymes: -eː, -əl
* Hyphenation: D‧D
* Homophones: dd, datamangel

#### Noun

DD
* (Norwegian Red List for Species) Abbreviation of datamangel (“data deficiency”).

### Etymology 3

Short form of Norwegian dobbel-dobbel (“double-double”).

#### Pronunciation

* IPA: /deːdeː/, /ˈdɔbːəl.dɔbːəl/
* Audio:(file)
* Audio:(file)
* Rhymes: -eː, -əl
* Hyphenation: D‧D
* Homophones: dd, dobbel-dobbel

#### Noun

DD
* (basketball) Abbreviation of dobbel-dobbel (“double-double”).

### Etymology 4

Short form of Norwegian D-dag and D-dagen ("D-Day"), both from English D-Day, where the D refers to the word dag (“day”), from Old Norse dagr (“day”), from Proto-Germanic *dagaz (“day”), from Proto-Indo-European *dʰegʷʰ- (“to burn, to be illuminated”).

#### Pronunciation

* IPA: /deːdeː/, /ˈdeːdɑːɡ/, /ˈdeːdɑːɡn̩/
* Audio:(file)
* Audio:(file)
* Audio:(file)
* Rhymes: -eː, -ɑːɡ, -ɑːɡn̩
* Hyphenation: D‧D
* Homophones: dd, D-dag, D-dagen

#### Noun

DD
* (figuratively) Abbreviation of D-dag (“D-Day”).
* (historical) Abbreviation of D-dagen (“D-Day”).

### Etymology 5

First initials of the name Donald Duck (“Donald Duck”).

#### Pronunciation

* IPA: /deːdeː/, /ˈduːnɑl.dʉk/
* Audio:(file)
* Audio:(file)
* Rhymes: -eː, -ʉk
* Hyphenation: D‧D
* Homophones: dd, Donald Duck

#### Proper noun

DD
* Initialism of Donald Duck.